1) Tell your mother your alright and you love her. Her of all people will be affected most.
2) You need to discuss matters through with your parents, and by the sounds of things, especially your dad.
3) I would actually give the kid to adoption agencies, unless your missus is absolutely bent on keeping the kid (which is 24034% expected), then you'll need to find a way to support the kid. Your 14, work at McDonalds, tough it until you finish year 10, find a tradey, BEG your way into work experience and work your fucking ass off to get the apprenticeship.
That'll give you a bit of money, then when your done you shouldnt be doing too bad on the feria + youll be legal to move out (dont recommend but if you must).
Also, centerlink.
4) Fuck your mates atm.
Family > friends.
Work things out with your parents, talk everything over with your missus, dont flip out again and keep your head cool, bro.
Good luck with this, your going to need it...